Portable charging case for electronic cigarettes



FIG. 1 is a front elevational view of a portable charging case for electronic cigarettes showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view thereof; and,

FIG. 8 is a perspective view thereof shown with the top in an open position.

The broken lines shown form no part of the claimed design. 

The ornamental design for a portable charging case for electronic cigarettes, as shown and described. 